Novel measuring technique of the optical performance of objective lenses for optical disk systems

Applied Optics
Y Tanaka, M Yoshikawa

Abstract

Methods for the novel calculation of aberrations in objective lenses that require diffraction-limited optical performance are proposed and discussed. Coma, astigmatism, and spherical aberrations are evaluated separately and quantitatively from the intensity distribution of spot images. The aberration values calculated from the spot images were found to correlate well with the experimental results from the wave-front aberrations measured by a laser interferometer. The measurements took only 12 s as a mean value. This is 10 times faster than the conventional method.

References

Aug 15, 1983·Applied Optics·R O MaschmeyerL M Sanford
Aug 15, 1983·Applied Optics·R O MaschmeyerE F Vozenilek
Feb 15, 1984·Applied Optics·D K CohenF S Luecke
Jun 1, 1985·Applied Optics·P L Ruben

Related Concepts

Astigmatism
Spherical Shape
Total Disc Replacement

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